In August 2025, Xiaoming Chen enhanced the percona/percona-backup-mongodb repository by developing an interactive confirmation prompt for restore operations, addressing the risk of accidental destructive actions. Using Go and focusing on backend development, Xiaoming refactored the confirmation logic into a reusable utility function, enabling consistent safety checks across commands. The update required explicit user consent before proceeding with restores, improving operational safety and code maintainability. Additional work included refining boolean argument handling and organizing imports, which contributed to better reliability and readability. The depth of the changes demonstrates a thoughtful approach to both user experience and long-term code quality.